feat(customuisdk) : add paytmpayments plugin support

[ppslintegrationdev]

Added support for paytmpayments ionic cordova plugin for custom ui sdk.

[gemini-code-assist]

Hello @ppslintegrationdev, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

Summary of Changes

This pull request introduces support for the Paytm payments plugin within the custom UI SDK for Ionic Cordova applications. It essentially wraps the native Paytm Custom UI SDK, exposing its functionalities to the Cordova environment. This allows developers to integrate Paytm payment options into their Ionic applications using a unified interface.

Highlights

• Plugin Implementation: The pull request implements a Cordova plugin (cordova-paytmpayments-customuisdk) to bridge the gap between the native Paytm SDK and the Ionic/Cordova environment.
• API Exposure: It exposes a comprehensive set of APIs from the native Paytm SDK, including methods for fetching authorization codes, checking Paytm app installation status, initiating transactions with wallets, cards (new and saved), net banking, and UPI.
• UPI Intent Support: The plugin supports UPI intent transactions, allowing users to pay through their preferred UPI apps.
• Configuration Options: It provides methods for configuring the environment (staging or production) and retrieving various payment-related details like BIN information, net banking lists, and EMI details.

Changelog

• src/@awesome-cordova-plugins/plugins/custom-ui-sdk/index.ts
  • Introduces the CustomUiSdk class, extending AwesomeCordovaNativePlugin, to provide a TypeScript interface for the Paytm Custom UI SDK.
  • Defines methods for various Paytm functionalities, including fetchAuthCode, isPaytmAppInstalled, initPaytmSDK, goForWalletTransaction, goForNewCardTransaction, goForSavedCardTransaction, goForNetBankingTransaction, goForUpiCollectTransaction, getUpiIntentList, getUpiIntentSubscriptionList, goForUpiIntentTransaction, goForUpiIntentSubscriptionTransaction, getBin, fetchNBList, fetchEmiDetails, getLastNBSavedBank, getLastSavedVPA, isAuthCodeValid, getEnvironment, and setEnvironment.
  • Uses the @Cordova decorator to map these TypeScript methods to their corresponding native implementations in the Paytm SDK.
  • Includes detailed JSDoc comments for each method, explaining its purpose, parameters, and return values.

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[gemini-code-assist]

Code Review

This pull request introduces a new Cordova plugin for accessing Paytm's Custom UI SDK. The plugin exposes various methods for handling payments, including wallet transactions, card transactions, UPI transactions, and more. Overall, the code provides a comprehensive interface to the Paytm payment gateway. However, there are several areas where improvements can be made to enhance code clarity, maintainability, and error handling.

Summary of Findings

• Missing Implementation: All the methods in the CustomUiSdk class currently have empty implementations (return;). This means the plugin, as it stands, does not actually perform any actions. The native implementation needs to be connected to these methods.
• Inconsistent Parameter Naming: There are inconsistencies in parameter naming across different methods (e.g., upiCode vs. netBankingCode). Standardizing these names would improve readability and maintainability.
• Lack of Error Handling: The plugin methods do not include any error handling. It's crucial to handle potential errors from the native SDK and propagate them to the Cordova layer.
• Incomplete Documentation: The documentation for each method is minimal. Adding more detailed explanations of the parameters and return values would greatly improve usability.
• TODO Comments: The initial template includes TODO comments that need to be addressed, such as adding/changing information and documenting usage.

Merge Readiness

The pull request is not ready for merging. The plugin currently lacks implementation and proper error handling. The TODO comments should be addressed, and the documentation needs to be improved. I am unable to approve this pull request, and recommend that it not be merged until the critical issues are addressed, and that others review and approve this code before merging.